Behavioral task
behavioral1
Sample
2024-02-03_aa8ebfcf09cc1161d695751af80a0d0d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_aa8ebfcf09cc1161d695751af80a0d0d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_aa8ebfcf09cc1161d695751af80a0d0d_cryptolocker
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Size
77KB
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MD5
aa8ebfcf09cc1161d695751af80a0d0d
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SHA1
f4baf5bc83c8149e3cc95067752f52c5bf32e7d8
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SHA256
62728edb3c5d593d943e3d603b2dfa5ef4fde54c1eaf6701fad104b00df1aed0
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SHA512
1a5fa0bac94a1ce134a9c67d15eea2931ea93ad00b286de043880647d088a5eb40dfefb6cc522f874ce3c2e799d9229c048c3268b15344b8f3b7c641d3711131
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuY:T6a+rdOOtEvwDpjNcO
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-03_aa8ebfcf09cc1161d695751af80a0d0d_cryptolocker
Files
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2024-02-03_aa8ebfcf09cc1161d695751af80a0d0d_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE